AT commands return ERROR.

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jenya7
Posts: 7
Joined: Tue Jun 29, 2021 2:22 pm

AT commands return ERROR.

Postby jenya7 » Tue Jun 29, 2021 2:28 pm

Some of it is OK

ATE0
OK

AT+GMR
AT version:0.21.0.0
SDK version:0.9.5
OK

But most of the commands return ERROR. For example

AT+CWMODE_CUR=?
ERROR

What can be a problem?


It seems like I have an old version (AT version:0.21.0.0). Where I can download the newest version?
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Her Mary
Posts: 537
Joined: Mon Oct 27, 2014 11:09 am

Re: AT commands return ERROR.

Postby Her Mary » Tue Jul 13, 2021 11:57 am

I guess maybe it is because that you are using a very old version of AT firmware which does not support those AT commands. You can have a try with the latest AT firmware. https://github.com/espressif/esp-at
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